Question

Acceleration is a vector quantity,which indicates that its value is ________ (a)Is alwaysnegative(b)Isalwayspositive(c)Iszero(d)Canbepositive,negative or zero

Answer 1

Answer:

option D

Explanation:

Acceleration is a vector quantity and is always acts in the direction of change of velocity or in the direction of change in momentum or in the direction of force of action

& it can be -ve , +ve or it can be 0 (zero) so option D is correct